Genetic aberrations detected by comparative genomic hybridization in hepatocellular carcinomas: Their relationship to clinicopathological features

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Abstract

To elucidate cytogenetic alterations underlying human hepatocellular carcinomas (HCCs), we used a comparative genomic hybridization (CGH) method to analyze 41 cases of hepatocellular carcinoma (HCC) including 15 well differentiated HCCs, 14 moderately differentiated HCCs, and 12 poorly differentiated HCCs. Of these, 27 patients were chronically infected with hepatitis C virus (HCV), and the remaining patients were positive for hepatitis B virus (HBV). The most common sites of increase in DNA copy number were 1q (78% of the cases) and 8q (66%) with minimal overlapping regions at 1q24-25 and 8q24, respectively frequent decreases in copy number were observed at 17p (51%), 16q (46%), 13q13-14 (37%), 4q13-22 (32%), 8p (29%), and 10q (17%). In 6 cases (15%), an amplification was found in the region of 11q13. A gain of 8q24 was significantly associated with well-differentiated HCCs (P < .05), whereas a loss of 13q13-14 and amplification of 11q13 were linked to moderately and poorly differentiated HCCs (P

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Kusano, N., Shiraishi, K., Kubo, K., Oga, A., Okita, K., & Sasaki, K. (1999). Genetic aberrations detected by comparative genomic hybridization in hepatocellular carcinomas: Their relationship to clinicopathological features. Hepatology, 29(6), 1858–1862. https://doi.org/10.1002/hep.510290636

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